Latest OTP
71.9%
-4.4 points year over year
Latest monthly rank
#8
Reporting marketing carriers
Latest YTD OTP
76.8%
YTD rank #4
12-month average
76.4%
43 months in current record

Historical Monthly Performance

Monthly percentage of reported operations arriving within 15 minutes of schedule.

Record High and Low

MeasureMonthOTPRank
Best monthNov 202486.9%#3
Weakest monthDec 202260.7%#5

Latest 12 Months

MonthOTPRankYTDYTD rank
May 202671.9%#876.8%#4
Apr 202677.3%#578.1%#4
Mar 202673.0%#478.4%#2
Feb 202680.8%#381.6%#1
Jan 202682.4%#182.4%#1
Dec 202574.8%#177.8%#3
Nov 202578.4%#478.0%#4
Oct 202577.1%#978.0%#4
Sep 202582.6%#778.1%#3
Aug 202578.0%#377.6%#3
Jul 202569.9%#577.5%#4
Jun 202571.1%#578.9%#2
Flightline Intel readout: Southwest Airlines posted 71.9 percent on-time arrivals in May 2026, ranking #8. Its trailing 12-month average is 76.4 percent. The strongest month in the current database was Nov 2024 at 86.9 percent.